Remove CodeClimate badge

README.md

@@ -14,7 +14,6 @@ The framework is easy to adjust to meet your needs, because Yii has been designe
 [![Build Status](https://github.com/yiisoft/yii2/workflows/build/badge.svg)](https://github.com/yiisoft/yii2/actions)
 [![Code Coverage](https://scrutinizer-ci.com/g/yiisoft/yii2/badges/coverage.png?s=31d80f1036099e9d6a3e4d7738f6b000b3c3d10e)](https://scrutinizer-ci.com/g/yiisoft/yii2/)
 [![Scrutinizer Quality Score](https://scrutinizer-ci.com/g/yiisoft/yii2/badges/quality-score.png?s=b1074a1ff6d0b214d54fa5ab7abbb90fc092471d)](https://scrutinizer-ci.com/g/yiisoft/yii2/)
-[![Code Climate](https://img.shields.io/codeclimate/github/yiisoft/yii2.svg)](https://codeclimate.com/github/yiisoft/yii2)
 
 Installation
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